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<?php
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/**
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* Implementation of hook_link_alter().
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* Removes comment link for non-members
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*/
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function comment_og_link_alter(&$links, $node) {
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if ($node->comment) {
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if (isset($node->og_groups)) {
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if (!og_is_group_member(og_get_group_context())) unset($links['comment_add']);
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}
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}
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}
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/*
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* Modifies the comment links via a preprocess funtion as described here:
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* http://drupal.org/node/352020
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*/
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function comment_og_preprocess_comment(&$variables) {
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$comment = $variables['comment'];
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//load links for current comment
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$links = comment_links($comment, FALSE);
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$group = og_get_group_context();
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// if group context
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if($group) {
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// remove the reply link for non-group members
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if (!og_is_group_member($group)) unset($links['comment_reply']);
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// we add the Group ID to the URL to determin group admin status later
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if (og_is_group_admin($group))
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$links['comment_delete'] = array(
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'title' => t('delete'),
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'href' => "comment/delete/$comment->cid/$group->nid"
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);
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}
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//reset the links HTML
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$variables['links'] = theme('links', $links);
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}
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/**
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* Implementation of hook_form_alter().
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*/
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function comment_og_form_alter(&$form, $form_state, $form_id) {
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if ($form_id == 'comment_form' && isset($form['nid'])) {
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// if this is group context and you're not a member of this group, disable the comment form
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if (!og_is_group_member(og_get_group_context())) {
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$form['comment_filter']['comment'] = array(
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'#type' => 'textarea',
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'#title' => t('Comment'),
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'#rows' => 5,
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'#disabled' => TRUE,
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'#description' => t('You must be a member of this group in order to post a comment.'),
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);
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if (isset($form['subject'])) unset($form['subject']);
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if (isset($form['comment_filter']['format'])) unset($form['comment_filter']['format']);
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if (isset($form['submit'])) unset($form['submit']);
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if (isset($form['preview'])) unset($form['preview']);
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if (isset($form['author'])) unset($form['author']);
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if (isset($form['_author'])) unset($form['_author']);
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}
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}
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}
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/**
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* Implementation of hook_menu_alter().
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*/
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function comment_og_menu_alter(&$items) {
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// allows group admins to delete comments
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$items['comment/delete'] = array(
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'title' => 'Delete comment',
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'page callback' => 'comment_delete',
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'access callback' => 'comment_og_comment_delete',
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'access arguments' => array(3),
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'type' => MENU_CALLBACK,
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'file' => 'comment.admin.inc',
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'file path' => drupal_get_path('module','comment'),
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);
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}
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/**
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* Returns true if the acting user is a group admin
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*/
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function comment_og_comment_delete($gid = NULL) {
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if ($gid) {
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$group = node_load($gid);
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og_load_group($group);
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return og_is_group_admin($group);
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}
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else return user_access('administer comments') && user_access('post comments');
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}
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?>
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